t...@exquisiteimages.com writes:
> I started an Analyze command on a database Wednesday evening at around 
> 9:00PM. it is now Friday morning at 8:00 and it is still running.
> ...
> I did try to execute:
> SELECT pg_cancel_backend(4029);
> and
> SELECT pg_terminate_backend(4029);
> but neither had any effect.

Hm, that's interesting.  Can you get a stack trace from that process?

https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend

> I am running PostgreSQL version 9.3 on Ubuntu 14.04 with 128GB of 
> memory, 800GB PCIe SSD for Database files, 1TB SATA SSD for WAL, 512GB 
> SATA SSD for system files.

9.3.what exactly?

(You do know that 9.3.x is out of support, so even if this investigation
reveals a bug, we're not going to fix it in 9.3.x.  I'm willing to look
anyway on the chance that there's a bug that also affects later versions.)

                        regards, tom lane


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